Unconstrained compact lattice QED 2+1 coupled to phonons: Gauss sectors, orthogonal semimetal, and deconfined criticality

arXiv:2609.20502 · cond-mat.str-el, hep-lat · Submitted 2026-09-17 · Read on arXiv

cond-mat.str-el, hep-lat

Submitted: 2026-09-17

Updated: 2026-09-17

Terminology

• Hilbert Space — 10× in this paper · explained in 2 episodes
• Anisotropy — 3× in this paper · explained in 3 episodes
• Symmetry Breaking — 3× in this paper · explained in 3 episodes
• Effective Hamiltonian — 2× in this paper · explained in 2 episodes
• Phase Transitions — 2× in this paper · explained in 2 episodes
• Quantum fluctuations — 2× in this paper · explained in 2 episodes
• Redundancy — 2× in this paper · explained in 2 episodes
• Deconfined Quantum Critical Point (DQCP) — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• First-Order Transition — 1× in this paper · explained in 2 episodes
• Langevin Dynamics — 1× in this paper · explained in 2 episodes
• Universality Class — 1× in this paper · explained in 2 episodes

Sources

• Quantum Monte Carlo studies of U(1) lattice gauge models of Kondo breakdown
• SO(5) multicriticality in two-dimensional quantum magnets
• Emergent gauge flux in mixed QED$_3$ with flavor chemical potential: application to magnetized U(1) Dirac spin liquids
• Identifying the maximum entropy method as a special limit of stochastic analytic continuation
• Spin-Peierls instability of the U(1) Dirac spin liquid
• Tuning the order of a deconfined quantum critical point

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